An introduction to the amazing functions of the human body's nervous system. An introduction to the amazing functions of the human body's nervous system. This extremely advanced part of our biology is ...

There are 12 cranial nerves in the body, all originating in the brain. They come in pairs and connect different body areas and organs to the brain. Cranial nerves can transmit two types of information ...

Oxygenated blood begins its course down the chest through the thoracic aorta, a major blood vessel with branches that serve the chest muscles and lungs. This becomes the abdominal aorta. The abdominal ...

The central nervous system consists of the brain and spinal cord. The central nervous system controls thought, movement, and emotion, as well as breathing, heart rate, hormones, and body temperature.